Stop motion for a gill box



Feb. 5, 1935.

w. .1. SCOTT STOP MOTION FOR A GILL BIOX Filed June 13, 1931 2 Sheets-Sheet l INVENTOR. M/zv JcfZa/i BY M A TTORNEYS.

Feb. 5, 1935. w J. SCOTT 1,989,947

STOP MOTION FOR A GILL BOX INVENTOR.

ATTORNEYS.

Patented Feb. 5, 1935 i 1,989,947

UNITED STATES PATENT OFFICE s'ror orront FOR A GILL BOX I WalterJ. Scott,Wonsocket, R. 1. Application June 13, 1931, Serial No. 544,081 '4 Claims. (01.19-165) This invention relates to a stop motion for a sult I have arranged the guides for the slivers so gill box, and is a continuation in part of my that'the slivers will be positioned between the copending application, Ser. No. 458,292, filed May draft rolls one beside the other in a horizontal 29, 1930. 1 plane, which arrangement also permits me to re- 5 An object of this invention is to provide an eleomove the feeler members or gates by swinging 5 trical stop motion which will operate whenever them upwardly about their horizontal axis when the sliver breaks or is reduced. appreciably in size the contact bar is arranged to one side of the from normal and which at the same time will guide to lay against'the plate itself and prevent position the strands of sliver as desired between contact with the contact bar when in raised posithe draft rolls. tion which is an improvement over my copending 1 Another object of the invention is a provision above referred to application. I. also provide a of a combined stop motion and guide for directing support and guide for the sliver before entering the slivers side by side in a parallel arrangement the stop motion guide plate which will'prevent the between the draft rolls. slivers at different horizontal levels from jam- .15 A further object of the invention is a provision ming; and the following is a detailed descripiii of means whereby the feeler members for caustion of the present embodiment of this invention ing contact for stopping the machine may be easillustrating the preferred means by which these ily removed from engaging position so that a. advantageous results may be accomplished:- fewer number of sliver ends may be operated or With reference to the drawings, 10 designates those remaining on the spindle which have not one of the supply c n fr m which'the sliver 11 is 20 run out may continue. drawn while the slivers 12 and 13 are drawn from A still further object of the invention is to presimilar cans not illustrated over the guide apron vent the slivers from jamming as fed to the stop 14 and'beneath the bar 15 to pass between draft motion from the supply cam. rolls l6 and 1.7 and then over bar 18 and through With these and other objects and advantageous press rolls 19 into a receiving can 20. 25 features in view, the invention consists of a novel It is convenient to use six slivers or ends and I arrangement of parts more fully disclosed in the have accordingly illustrated in this invention a detailed description following, in conjunction with plate 21 having six openings or guides and I have the accompanying drawings, and more particuarranged h e g id n n angle to the horizon larly set forth in the appended claims. tal or vertical whereby the slivers are positioned 00 Fig. 1 is a view partly in section illustrating the side by side rather than one on top of the other in travel of the slivers and the' general arrangement directing them to the first pair of rolls 16. of my stop device relative to the operating This plate 2lis provided with legs 22 secured mechanism. to bar 23 extending laterally across the machine Fig. 2 is a front view showing one of mystop and supported by a bracket 24 from the apron plates as applied to one form of drawing frame. 14. A slot 25 permits a vertical adjustment of Fig. 3 is a rear View of the plate shown in Fig. 2. the bar 23 and consequently the plate, whereas Fig. 4 is a diagrammatic view illustrating'the the bolts 26 permit of lateral adjustment of the electrical connection for stopping the machine plate with reference to the drawing frame.

when one of the feeler members drops into en- The openings 2'7 are slightly tapered from the -10 'gagement with its contact. supply end to the delivered end as illustrated in Fig. 5 is a front view of a modified form of stop dotted lines at 28 to confine the slivers as they plate; and are drawn therethrough and thus apply tension Fig. 6 is a section on line 6-6 of Fig. 5 with one to 'them between. the plate and the first set of strand of sliver extending therethrough. draft rolls 16. 45

It is found in the operation of gill boxes or other Feeler members 29 are hinged as at 30 above drawing frames that where a plurality of sliver, each opening to fall by gravity across the opentops or ends, (say six, more or less) are led from ing and are each provided with a finger portion 31 cans or other supply source to a set of draft rolls to engage the contact bar 32 extending diagonally to be blended together into a single sheet and between the rows of openings and insulated 50 then delivered to a receiving can or otherwise acfrom the plate as illustrated in my copending apcumulated upon a spool or other means that plication. Thus when the feeler 29 is inthe lower slivers when arranged as illustrated in my above or closed position illustrated in Fig. 2, the finger 5 referred to application, may pile one on top of the portion 31 thereof will engage the contact bar,

other and in order to avoid such undesirable reclose the electric circuit to stop the machine, By 5 providing the openings and contact bar at an angle I may swing the feeler fingers for the right hand set of openings as illustrated in Fig. 2, about their pivot to a raised position, as illustrated in dotted lines so that the finger portion 31 will be out of contact with the bar but rather raised against the bar. This may be accomplished for both of the upper two sets of members or gates and also all of the feeler members on the right hand openings in Fig. 2 :thus eliminating the necessity of providing a wedge or the like to vposition the feelers or gates in raised position of contact with the bar 32 as is necessary in my above referred to copending application.

In some cases it is necessary to position the guide openings and feelers so closely together as to prevent angular positioning of the contact bar between generally vertical guide openings and in these cases I use the modified plate '41 having three generally vertical rows of guides 42 arranged at an angle as heretofore .mentioned with the feeler members 43 hinged above each opening and provided with a finger portion .44 to engage the contact bar 45 upon swinging downwardly to a position similar to the contacting position required in the first mentioned form. The feeler members 43 are each of plate form with guiding means at its free edge which is formed by concaving the edge on the arc of a circle 46 as shown to span the sliver and direct it in its path.

In order to keep the slivers apart and prevent them from jamming, I provide bars-l7 and 48, each at substantially the level of oneof the levels of the guide openings in the stop motion plate to lift and support the sliver as it is led from the supply cans.

One means of connecting the stop device in the electrical circuit, as illustrated in Fig. 4, in which the solenoid 33 is arranged to control a release latch 34 on the shipper rod 35 whereby whenthe feeler 29 is permitted to move into engagement with the contact bar 32 the circuit closes through the wire 36 to operate the solenoid 33 to release the latch 34 and permit the shipper bar under tension of spring 37 to throw the shipper rod 38 and through the belt fork 39, the belt -(not shown) is moved from the tight pulley to the loose pulley ll to stop the machine.

My improved stop motion is very simple and inexpensive in construction and very effective in its operation and by its use the machine will stop if any one of a plurality'of slivers should break or become excessively thin or slack and thus will prevent the uneven places in the finished stock.

The foregoing description is directed solely towards the construction illustrated, but I desire it to be understood that I reserve the privilege of resorting to all the mechanical changes to which the device is susceptible, the invention being defined and limited only by the terms of the appended claims.

I claim:

1. In a drawing frame, means for supplying a plurality of slivers, draft rolls for-said slivers, a

guide for each sliver said guides arranged one diagonally above the other at an angle to the horizontal and a feeler member adjacent each guide arranged to engage and be held in raised position by the tension on the sliver and a contact member arranged diagonally along said guide to be engaged by said feeler upon release of tension on the yarn said feeler and contact members being in an electric circuit and means energized by closing said electric circuit for stopping the machine.

2. In a drawing frame, means for supplying a plurality of slivers, draft rolls for said slivers, a plate having a plurality of openings each of which actsas aguide for one of said slivers the centers of said openings being on an angle with relation to a horizontal or vertical plane and a feeler member'adjacent each guide opening arranged to engage and be held in raised position by the tension on the sliver passing through said guide opening :and a'contact ;member insulatedfrom said plate and arrangedparallel to the centers of said openings to be engaged by :said feeler upon releaseof tension on the yarn, said feeler and contact members being in an electric circuit and means energizedaby closing said electric circuit for stopping 1 themachine.

3...In a drawing frame, means for supplying a plurality of slivers, draft, rolls for said slivers, a

plate having a plurality of openings each of which acts asaguide for one of said slivers the centers of said openings being on an angle with relation to a horizontal or vertical plane and a feeler member adjacent each guide opening arranged to engage andbeheld in raised position by the tension on the sliver passing through said guide opening and acontact member insulated from said plate and acts as a guide for one of said slivers the centers of said openings being on an angle with relation to a horizontal or vertical plane and a pivoted feeler member adjacent each guide opening arranged to engage and be held in raised position by the tension on the sliver passing through said guide opening and a contact member insulated from saidplate and infront of a portion. of said feeler and-arranged parallel to the centers of said openings to be engaged by said feeler on the opposite side ofits piv-ot from the feeler portion thereof upon release .of tension on the yarn, said feeler and contact members being in anelectric circuit and means energized by closing said electric circuit for stopping the machine.

-WALTER J. SCOTT. 

